Comments on: Listed door closer R7483 – is an Underwriter Laboratory number https://www.rbahelp.com/door-closers/listed-door-closer-r7483-is-an-underwriter-laboratory-number/ Helpful Tips and Instructions for Commercial Door, Partition, Locker, Stair Treads, Window Parts, and Bleacher Concerns Tue, 11 Feb 2014 15:59:22 +0000 hourly 1 By: rbaadmin https://www.rbahelp.com/door-closers/listed-door-closer-r7483-is-an-underwriter-laboratory-number/#comment-3416 Tue, 11 Feb 2014 15:59:22 +0000 http://www.rbahelp.com/?p=1275#comment-3416 In reply to vince straub.

Vince,
Most door closers use some type of Automatic Transmission Fluid.
Greg

]]> By: vince straub https://www.rbahelp.com/door-closers/listed-door-closer-r7483-is-an-underwriter-laboratory-number/#comment-3415 Mon, 10 Feb 2014 22:18:06 +0000 http://www.rbahelp.com/?p=1275#comment-3415 What hydraulic fluid goes in the r 7483 door o matic door closer

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